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, � 't = ",n 1� �I D . 1` P'"��'T. . �.�I`. �"I i r ���r IGi �'. <br /> 7.01.1) Rxlc Sdectlnn: 71ic wNuctor should ha�x eumcient �peto rvdilable �o lhat he aan scicct from emong <br /> �number of rtocicpqed rodu for uch +p�ce in the �akery to bc fillt+l. Rcxla which hwc �h�pc� whidi do nut <br /> maKh Ide tp�t61 ORered by lhe previous cout+t of rak �hould be pl�ccd e4ewhtrc ro obufn a beuer fi�. <br /> Ro�'k ihodd be of a gcncrally cubiul, bbulet or itmi•reuangulu �hepc. Any rock� of buicdly munded o* <br /> letnhednl form thould be rejected or used for GIIinII lergc wid tpecet. <br /> Smdler takc (one m twam�n �ira, or tmdler) ue ofmn u�ed w creue �n �utheciully pleuing 'top edae' to <br /> ■rockery, Thii u�m•.pt�61e provided none Ot the events duvibed'w Seolion 3.O1S acur,�nd th�t people ue <br /> provcnted Gom climhinq or walking on the finished rakery. Thls i� the owner'� respansibility. <br /> 3.01.1� $p��LCG�C�t: The firat couru af rock ahuuld be pixced on firm ueyieldieg�ail. There chould be full <br /> conteet betweeo ihe rak and�oil, which moy requim ah.ping o(the ound wt(ate or tlammiug or droppinp t6e <br /> raYt tnto pl�a w thoc the mil foundetion wnforms m the rock �[c bCi[IIIB OG :L AS a11 eltemanve, It u <br /> ue44uory�o uAce �nd wnp cru�Led rock into the subgr.Je �o Gp,htcn ii up. TLe boetom of the fva course <br /> o!rock Should be a minimum nf�welve (72) incheo Aelow Ihe lowert edjacent �il[ g�ode. <br /> pt ihe rockery is wnctruned, the rocks s�ould be pl�aed w that there �rc no continuaus joint plenu in either <br /> che vertical or lettrd direuion. Each rock should bwr on ■t leac[ two rocks below ie. R«ks should be pl.ced <br /> ro thrt there i��ome beerinp buween(lat rock[aces rather �h�n on joinu. 7oints between coursu ehoWd slope <br /> dowmv.rd mwerds the meterial M1eir.g prntated (�µay fmm lhc fecc of tht rakery). <br /> 01.1 Fqr ��cln.un�; Th� ,t�he rockery shoulJ be inclined at � yradient o(a6out 1:G (Horixontalr <br /> Vmical)b�ok mwerde tAc fnen �.mg protected, Tho incline�inn should not conitrutted Iluler Ihan IH:aV. <br /> J.01.76 �y�Q{: Seaute of lhC nll4rC Of IhC p�uduct used to cOnStmct�rOckery,it is�iriurlly impossible to etroid <br /> ewtiny troid �p�tes betw2en individUel rocks. Howover, it d�ould bo rocogniud Ihel vo�df do nol necestuily <br /> ' corsiimte o problem in mckery�construction. <br /> Where voidl of greatu thm�iz inc6u in dimention cbst in thc fate of e ro:keq•they should be�isuelly ezam(ncd <br /> ' to dciermine i(conteu lxtween the rocY� eziscs withia the thickuess af t6e mckery. It contect does epsq no <br /> Potther �aUon u required. However, i[there u no rock contect wiihin [he rakcry lhicknesx thc void should bc <br /> 'tlunked'�Jith � tmdler picce of rock, If e void o(grcater then tu inches etibls ia tho rcer (�ce o(the roc4eq', <br /> it ahould te•ehinked'with � emaller rock. <br /> 3.01.17 Fllt.r Lnv�n ln ordcr m provide some degree of dninige mnual be6ind d�e mcYery, and as a means <br /> ot Lelping ro prevent loss of toil through ehe lecc of the roc�ery,.drunage filter sheLL be inri�led layer betweea <br /> t6e rw f�w of the rockary end tha wil (ace being proteaed. Thii Glmr layer ehould be et Icest twelw (12) <br /> inchu thick; and for rakerys in eeoac of ugh� fcei in heighc, ie should be at leue eigh�een (19) incEies thick. <br /> 1� should be e4mposed of four inch minus crushed rnck, or othtr mnkriel�pprovtd by ihe geotechninl enpneer. <br /> It one of the rockery rocAt estendc back co Ihe txpotod snil facr, it i! mt necessnry th�t the filter rod; Inyer <br /> eMend belween It �nd Ihe soil fac. <br /> In �he event eeep�ge is encoumered emana[ing (rom e protected taee, we mmmmend the uee of e wxll-graded <br /> filter leytr, Wt do no� recommend the use of e�eol�chnial lebric for othtr ihan coveraRe of relativtl)'am�ll and <br /> uolued tapaga ere�t because it hai been the mdustry'a experiena th�t the filier fabrie tends to cloB rapidly. <br /> Thls quicl'Jy lesdt to a buildup of hyEroatatit pteisurc whic6 ran subsequenqy cause (eilure pnd coitapee n[�he <br /> rakery end is In be avnideJ. <br /> Thi� ologging it �ppuendy due to tEo virtuel impoaibiliy of echiaing (ull contect betwe^.n the soil (acc,(abric <br /> �nJ rock filter m�ttrial. If full surfue wntnc:cennot bc�chieved,thcm is ohen e tcndencylor thc�oil m�mrials <br /> to Ilush Gnm the protected fan inm ehe "pockets" in the (nhri:which leids to �he aforcmentianed dngping. <br /> ��o�s� Pa�c 5 <br />